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Author SHA1 Message Date
Tim Northover ebd37ab382 ARM64: make sure first argument to INSERT_SUBVECTOR has right type. 
Again, coalescing and other optimisations swiftly made the MachineInstrs
consistent again, but when compiled at -O0 a bad INSERT_SUBREGISTER was
produced.

llvm-svn: 205423
 2014-04-02 14:38:58 +00:00
Tim Northover 00ed9964c6 ARM64: initial backend import 
This adds a second implementation of the AArch64 architecture to LLVM,
accessible in parallel via the "arm64" triple. The plan over the
coming weeks & months is to merge the two into a single backend,
during which time thorough code review should naturally occur.

Everything will be easier with the target in-tree though, hence this
commit.

llvm-svn: 205090
 2014-03-29 10:18:08 +00:00